A) DNA polymerase
B) Histones
C) Nucleolar DNA
D) Tubulin protein
Correct Answer: A
Solution :
Cell cycle is divided into four phases (i.e., \[{{G}_{1}},\text{ }S,{{G}_{2}}\]and M) by Howard and Pelc (1953). DNA polymerase (Protein) is synthesised in \[{{G}_{1}}\]phase. DNA and histones are synthesised during S phase, mitotic spindle begins to form during \[{{G}_{2}}\] phase, karyokinesis and cytokinesis occur during M phase.
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